Bump github.com/gin-contrib/cors from 1.4.0 to 1.6.0

Bumps [github.com/gin-contrib/cors](https://github.com/gin-contrib/cors) from 1.4.0 to 1.6.0.
- [Release notes](https://github.com/gin-contrib/cors/releases)
- [Changelog](https://github.com/gin-contrib/cors/blob/master/.goreleaser.yaml)
- [Commits](gin-contrib/cors@v1.4.0...v1.6.0)

---
updated-dependencies:
- dependency-name: github.com/gin-contrib/cors
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <[email protected]>

go.mod

@@ -3,7 +3,7 @@ module github.com/splitio/split-synchronizer/v5
 go 1.21
 
 require (
-	github.com/gin-contrib/cors v1.4.0
+	github.com/gin-contrib/cors v1.6.0
 	github.com/gin-contrib/gzip v0.0.6
 	github.com/gin-gonic/gin v1.10.0
 	github.com/google/uuid v1.3.0

go.sum

@@ -24,8 +24,8 @@ github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f h1:lO4WD4F/r
 github.com/dgryski/go-rendezvous v0.0.0-20200823014737-9f7001d12a5f/go.mod h1:cuUVRXasLTGF7a8hSLbxyZXjz+1KgoB3wDUb6vlszIc=
 github.com/gabriel-vasile/mimetype v1.4.3 h1:in2uUcidCuFcDKtdcBxlR0rJ1+fsokWf+uqxgUFjbI0=
 github.com/gabriel-vasile/mimetype v1.4.3/go.mod h1:d8uq/6HKRL6CGdk+aubisF/M5GcPfT7nKyLpA0lbSSk=
-github.com/gin-contrib/cors v1.4.0 h1:oJ6gwtUl3lqV0WEIwM/LxPF1QZ5qe2lGWdY2+bz7y0g=
-github.com/gin-contrib/cors v1.4.0/go.mod h1:bs9pNM0x/UsmHPBWT2xZz9ROh8xYjYkiURUfmBoMlcs=
+github.com/gin-contrib/cors v1.6.0 h1:0Z7D/bVhE6ja07lI8CTjTonp6SB07o8bNuFyRbsBUQg=
+github.com/gin-contrib/cors v1.6.0/go.mod h1:cI+h6iOAyxKRtUtC6iF/Si1KSFvGm/gK+kshxlCi8ro=
 github.com/gin-contrib/gzip v0.0.6 h1:NjcunTcGAj5CO1gn4N8jHOSIeRFHIbn51z6K+xaN4d4=
 github.com/gin-contrib/gzip v0.0.6/go.mod h1:QOJlmV2xmayAjkNS2Y8NQsMneuRShOU/kjovCXNuzzk=
 github.com/gin-contrib/sse v0.1.0 h1:Y/yl/+YNO8GZSjAhjMsSuLt29uWRFHdHYUb5lYOV9qE=